AT3 Tactical 5.7x28 AR-15 Parts

Experimenting with 5.7 brakes for your PDW? Make sure to stock up on AT3 crush washers for your AR-15.

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AT3 Tactical Crush Washer - 1/2 Inch for 5.56/.223
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AT3™ 1/2 Inch Crush Washer for .223/5.56 Muzzle Devices Compatible with AR-15
$1.99
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$1.69
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